What are the DRO readings vs. commanded position at regular intervals along the entire length of travel?
On Thu, Sep 5, 2013 at 1:20 PM, andy pugh <[email protected]> wrote: > On 5 September 2013 19:08, Russell Brown <[email protected]> wrote: > > > Were the 'errors' I showed (~.015mm over a 50mm move) in the right ball > > park for a non-ball-screw benchtop mill driven by steppers? > > Not brilliant, but then I doubt that the machine is driven by > super-precision screws. > > > Should I expect a commanded 50mm move to travel 0.040mm less than 50mm ? > > > > Does the variation in actual distance moved indicate missed steps? (the > > actual move varied with different microsteppings) > > You may be missing steps, it is always a possibility with stepper machines. > > I don't suppose you have any way to get the DRO feedback into the PC? > Closing the loop might be a fun project. > > -- > atp > If you can't fix it, you don't own it. > http://www.ifixit.com/Manifesto > > > ------------------------------------------------------------------------------ > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more! > Discover the easy way to master current and previous Microsoft technologies > and advance your career. Get an incredible 1,500+ hours of step-by-step > tutorial videos with LearnDevNow. Subscribe today and save! > http://pubads.g.doubleclick.net/gampad/clk?id=58041391&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more! Discover the easy way to master current and previous Microsoft technologies and advance your career. Get an incredible 1,500+ hours of step-by-step tutorial videos with LearnDevNow. Subscribe today and save! http://pubads.g.doubleclick.net/gampad/clk?id=58041391&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
